National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Hazardous Weather This Weekend

A series of cold fronts from North Pacific storms will bring periods of gusty winds, low elevation rainfall, and high elevation snow to the Pacific Northwest this weekend into next week. Heavy to excessive rainfall may produce areas of flooding over southern Texas this weekend. Read More >

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

41°F

5°C

Humidity 81%
Wind Speed Calm
Barometer 30.21 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 7 Nov 6:50 pm CST
Extended Forecast for

Dorchester IL

  • Tonight

    Tonight: Clear, with a low around 30. Southwest wind 3 to 6 mph.

    Low: 30 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 60. Southwest wind 6 to 10 mph becoming northwest in the afternoon.

    High: 60 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 34. Northwest wind around 6 mph becoming calm in the evening.

    Low: 34 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 63. Calm wind becoming southwest around 5 mph.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 41. Southwest wind 3 to 5 mph.

    Low: 41 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: A 30 percent chance of rain after noon. Partly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Slight Chance
    Rain then
    Mostly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 30. Southwest wind 3 to 6 mph.
Sunday
Sunny, with a high near 60. Southwest wind 6 to 10 mph becoming northwest in the afternoon.
Sunday Night
Mostly clear, with a low around 34. Northwest wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 63. Calm wind becoming southwest around 5 mph.
Monday Night
Clear, with a low around 41. Southwest wind 3 to 5 mph.
Tuesday
Sunny, with a high near 67.
Tuesday Night
Mostly clear, with a low around 41.
Veterans Day
A 30 percent chance of rain after noon. Partly sunny, with a high near 63.
Wednesday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 39.
Thursday
Mostly sunny, with a high near 52.
Thursday Night
Partly cloudy, with a low around 31.
Friday
Mostly sunny, with a high near 49.
Friday Night
Mostly clear, with a low around 30.
Saturday
Sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dorchester IL
 39.1°N 89.87°W (Elev. 659 ft)
Last Update:
4:56 pm CST Nov 7, 2026
Forecast Valid:
7pm CST Nov 7, 2026-6pm CST Nov 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation